const titleConfig = [{
  Choice: '.ql-bold',
  title: '加粗'
},
{
  Choice: '.ql-italic',
  title: '斜体'
},
{
  Choice: '.ql-underline',
  title: '下划线'
},
{
  Choice: '.ql-header',
  title: '段落格式'
},
{
  Choice: '.ql-strike',
  title: '删除线'
},
{
  Choice: '.ql-blockquote',
  title: '块引用'
},
{
  Choice: '.ql-code',
  title: '插入代码'
},
{
  Choice: '.ql-code-block',
  title: '插入代码段'
},
{
  Choice: '.ql-font',
  title: '字体'
},
{
  Choice: '.ql-size',
  title: '字体大小'
},
{
  Choice: '.ql-list[value="ordered"]',
  title: '编号列表'
},
{
  Choice: '.ql-list[value="bullet"]',
  title: '项目列表'
},
{
  Choice: '.ql-direction',
  title: '文本方向'
},
{
  Choice: '.ql-header[value="1"]',
  title: 'h1'
},
{
  Choice: '.ql-header[value="2"]',
  title: 'h2'
},
{
  Choice: '.ql-align',
  title: '对齐方式'
},
{
  Choice: '.ql-color',
  title: '字体颜色'
},
{
  Choice: '.ql-background',
  title: '背景颜色'
},
{
  Choice: '.ql-image',
  title: '图像'
},
{
  Choice: '.ql-video',
  title: '视频'
},
{
  Choice: '.ql-link',
  title: '添加链接'
},
{
  Choice: '.ql-formula',
  title: '插入公式'
},
{
  Choice: '.ql-clean',
  title: '清除字体格式'
},
{
  Choice: '.ql-script[value="sub"]',
  title: '下标'
},
{
  Choice: '.ql-script[value="super"]',
  title: '上标'
},
{
  Choice: '.ql-indent[value="-1"]',
  title: '向左缩进'
},
{
  Choice: '.ql-indent[value="+1"]',
  title: '向右缩进'
},
{
  Choice: '.ql-header .ql-picker-label',
  title: '标题大小'
},
{
  Choice: '.ql-header .ql-picker-item[data-value="1"]',
  title: '标题一'
},
{
  Choice: '.ql-header .ql-picker-item[data-value="2"]',
  title: '标题二'
},
{
  Choice: '.ql-header .ql-picker-item[data-value="3"]',
  title: '标题三'
},
{
  Choice: '.ql-header .ql-picker-item[data-value="4"]',
  title: '标题四'
},
{
  Choice: '.ql-header .ql-picker-item[data-value="5"]',
  title: '标题五'
},
{
  Choice: '.ql-header .ql-picker-item[data-value="6"]',
  title: '标题六'
},
{
  Choice: '.ql-header .ql-picker-item:last-child',
  title: '标准'
},
{
  Choice: '.ql-size .ql-picker-item[data-value="small"]',
  title: '小号'
},
{
  Choice: '.ql-size .ql-picker-item[data-value="large"]',
  title: '大号'
},
{
  Choice: '.ql-size .ql-picker-item[data-value="huge"]',
  title: '超大号'
},
{
  Choice: '.ql-size .ql-picker-item:nth-child(2)',
  title: '标准'
},
{
  Choice: '.ql-align .ql-picker-item:first-child',
  title: '居左对齐'
},
{
  Choice: '.ql-align .ql-picker-item[data-value="center"]',
  title: '居中对齐'
},
{
  Choice: '.ql-align .ql-picker-item[data-value="right"]',
  title: '居右对齐'
},
{
  Choice: '.ql-align .ql-picker-item[data-value="justify"]',
  title: '两端对齐'
}

];
export function addQuillTitle() {
  document.getElementsByClassName('ql-editor')[0].dataset.placeholder = '';
  for (let item of titleConfig) {
    let tip = document.querySelector('.quill-editor ' + item.Choice);
    if (!tip) continue;
    tip.setAttribute('title', item.title);
  }
}
